CN107871473A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN107871473A CN107871473A CN201711057774.8A CN201711057774A CN107871473A CN 107871473 A CN107871473 A CN 107871473A CN 201711057774 A CN201711057774 A CN 201711057774A CN 107871473 A CN107871473 A CN 107871473A
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- 239000000758 substrate Substances 0.000 claims abstract description 48
- 239000004065 semiconductor Substances 0.000 claims description 69
- 239000010409 thin film Substances 0.000 claims description 28
- 230000015556 catabolic process Effects 0.000 claims description 20
- 230000005611 electricity Effects 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 238000005401 electroluminescence Methods 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 4
- 238000004020 luminiscence type Methods 0.000 claims 3
- 239000010408 film Substances 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 15
- 230000002159 abnormal effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000012447 hatching Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1255—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs integrated with passive devices, e.g. auxiliary capacitors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The embodiment of the invention discloses a kind of display panel and display device, display panel includes underlay substrate and display unit, and display unit includes first electrode and second electrode；Voltage regulator device positioned at display unit side, voltage regulator device are electrically connected with second electrode, and when the current potential of second electrode meets the first predeterminated voltage, voltage regulator device is not turned on；When the current potential of second electrode is more than the first predeterminated voltage, voltage regulator device conducting, for reducing the current potential of second electrode；Or the current potential of second electrode, when meeting the second predeterminated voltage, voltage regulator device is not turned on；When the current potential of second electrode is less than the second predeterminated voltage, voltage regulator device conducting, for increasing the current potential of second electrode.Technical scheme in the present invention, set voltage regulator device to be electrically connected with second electrode, in the potential anomalies of second electrode, the current potential of second electrode is adjusted by voltage regulator device, ensure that the current potential of second electrode recovers normal, ensure display panel normal work.
Description
Technical field
The present embodiments relate to technical field of semiconductors, more particularly to a kind of display panel and display device.
Background technology
With the development of science and technology, the purposes of the display device with display panel is more and more extensive, in the prior art,
Conventional display panel includes organic LED display panel and liquid crystal display panel.
When display panel is normally shown, the voltage of suitable potential can be inputted on two electrodes on display panel respectively
Signal, ensure that display panel is normally shown.But when the glow current in display panel occurs abnormal or provides voltage signal
Driving IC when occurring abnormal, the voltage signal that is inputted on the electrode of display panel can be caused to occur abnormal, cause display panel
It can not normally be shown, influence the display effect of display panel.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of display panel and display device, to solve in the prior art when aobvious
When showing the potential anomalies change of a certain electrode in panel, technical problem that display panel can not normally be shown.
In a first aspect, the embodiments of the invention provide a kind of display panel, including：
Underlay substrate；
Display unit positioned at the underlay substrate side, the display unit include first electrode and second electrode；
Voltage regulator device positioned at the display unit side, the voltage regulator device are electrically connected with the second electrode
Connect, when the current potential of the second electrode meets the first predeterminated voltage, the voltage regulator device is not turned on；The second electrode
When current potential is more than first predeterminated voltage, the voltage regulator device conducting, for reducing the current potential of the second electrode；
Or the current potential of the second electrode, when meeting the second predeterminated voltage, the voltage regulator device is not turned on；It is described
When the current potential of second electrode is less than second predeterminated voltage, the voltage regulator device conducting, for increasing by second electricity
The current potential of pole.
Second aspect, the embodiment of the present invention additionally provide a kind of display device, including the display panel described in first aspect
Display panel provided in an embodiment of the present invention and display device, display panel include underlay substrate and positioned at substrate bases
The display unit of plate side, display unit include first electrode and second electrode, by setting voltage to adjust in display unit side
Device is saved, and voltage regulator device is connected with second electrode, when the current potential of second electrode occurs abnormal, voltage regulator device
Conducting, the current potential in second electrode is adjusted by voltage regulator device, ensure that the current potential in second electrode recovers normal, ensure aobvious
Show that unit can normally be shown, whole display panel can be with normal work.
Brief description of the drawings
In order to clearly illustrate the technical scheme of exemplary embodiment of the present, below to needed for description embodiment
The accompanying drawing to be used does a simple introduction.Obviously, the accompanying drawing introduced is the part of the embodiment of the invention to be described
Accompanying drawing, rather than whole accompanying drawings, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of overlooking the structure diagram of display panel provided in an embodiment of the present invention；
Fig. 2 is cross-sectional view of the display panel along hatching A-A ' in Fig. 1；
Fig. 3 is the cross-sectional view of another display panel provided in an embodiment of the present invention；
Fig. 4 is the cross-sectional view of another display panel provided in an embodiment of the present invention；
Fig. 5 is the cross-sectional view of another display panel provided in an embodiment of the present invention；
Fig. 6 is a kind of schematic diagram of display device provided in an embodiment of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below with reference to attached in the embodiment of the present invention
Figure, by embodiment, is fully described by technical scheme.Obviously, described embodiment is of the invention
Part of the embodiment, rather than whole embodiments, based on embodiments of the invention, those of ordinary skill in the art are not doing
The every other embodiment obtained on the premise of going out creative work, each falls within protection scope of the present invention.
The embodiment of the present invention provides a kind of display panel, including underlay substrate；Display positioned at the underlay substrate side
Unit, the display unit include first electrode and second electrode；Voltage regulator device positioned at the display unit side, institute
Voltage regulator device is stated to electrically connect with the second electrode, it is described when the current potential of the second electrode meets the first predeterminated voltage
Voltage regulator device is not turned on；When the current potential of the second electrode is more than first predeterminated voltage, the voltage regulator device
Conducting, for reducing the current potential of the second electrode；Or the current potential of the second electrode is when meeting the second predeterminated voltage, institute
Voltage regulator device is stated to be not turned on；When the current potential of the second electrode is less than second predeterminated voltage, the voltage regulator
Part turns on, for increasing the current potential of the second electrode.Voltage regulator device is set to be electrically connected with second electrode, in second electrode
Current potential when occurring abnormal, voltage regulator device conducting, the current potential in second electrode is adjusted by voltage regulator device, ensures the
Current potential on two electrodes recovers normal, ensures that display unit is normally shown, display panel normal work.
Above is the core concept of the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, to the embodiment of the present invention
In technical scheme be clearly and completely described.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Under the premise of making creative work, the every other embodiment that is obtained belongs to the scope of protection of the invention.
Fig. 1 is a kind of overlooking the structure diagram of display panel provided in an embodiment of the present invention, and Fig. 2 is display surface in Fig. 1
Cross-sectional view of the plate along hatching A-A ', as depicted in figs. 1 and 2, display panel provided in an embodiment of the present invention can be with
Display unit 20 including underlay substrate 10, positioned at the side of underlay substrate 10, display unit 20 can include the He of first electrode 21
Second electrode 22；
Voltage regulator device 30 positioned at the side of display unit 20, voltage regulator device 30 electrically connect with second electrode 22；
When the current potential of second electrode 22 meets the first predeterminated voltage, voltage regulator device 30 is not turned on；The current potential of second electrode 22 is more than
During default first voltage, voltage regulator device 30 turns on, for reducing the current potential of second electrode 22；
Or the current potential of second electrode 22, when meeting the second predeterminated voltage, voltage regulator device 30 is not turned on；Second electrode
When 22 current potential is less than the second predeterminated voltage, voltage regulator device 30 turns on, for increasing the current potential of second electrode 22.
As shown in figure 1, the embodiment of the present invention, with multiple array arrangements of first electrode 21, second electrode 22 is that whole face electrode is
Example is illustrative.Voltage regulator device 30 can be located at the place film layer of display unit 20 close to the one of underlay substrate 10
Side, as shown in Figure 2；Side (not shown) of the place film layer of display unit 20 away from underlay substrate 10 can also be located at, this
Inventive embodiments are to the overlying relation of the place film layer of display unit 20 and the place film layer of voltage regulator device 30 without limit
Fixed, Fig. 2 is simply carried out so that voltage regulator device 30 is located at the place film layer of display unit 20 close to the side of underlay substrate 10 as an example
Explanation.
Access has first electrode electric potential signal in first electrode 21, and being accessed in second electrode 22 has second electrode current potential letter
Number, first electrode 21 and second electrode 22 are shown according to normal electric potential signal.When the current potential of second electrode 22 meets first
During predeterminated voltage, such as the normal current potential of second electrode 22 can be the negative potential of zero potential or certain numerical value, and first is default
Voltage can be the voltage less than or equal to zero, and now the current potential of second electrode 22 meets the first predeterminated voltage, voltage-regulation
Device is not turned on.When exception occurs for the glow current of display unit 20 or the driving IC (not shown)s of offer electric potential signal
When, the electric potential signal accessed in second electrode 22 becomes big suddenly, when the current potential of second electrode 22 is more than the first predeterminated voltage, this
When second electrode 22 on current potential belong to abnormal potential, the voltage regulator device 30 now electrically connected with second electrode 22 turns on,
Voltage regulator device 30 can be used for reducing the potential value in second electrode 22, it is returned in the first predetermined voltage range,
Ensure that the current potential in second electrode 22 is normal.
Or when the current potential of second electrode 22 meets the second predeterminated voltage, such as the normal current potential of second electrode 22 can
Think the negative potential of zero potential or certain numerical value, the second predeterminated voltage can be less than or equal to zero and be more than or wait
In the voltage of certain numerical value (such as -12V), now the current potential of second electrode 22 meets the second preset potential, voltage regulator device
30 are not turned on；When exception occurs for the glow current of display unit 20 or the driving IC (not shown)s of offer electric potential signal
When, the electric potential signal accessed in second electrode 22 diminishes suddenly, when the current potential of second electrode 22 is less than the second predeterminated voltage, this
When second electrode 22 on current potential belong to abnormal potential, the voltage regulator device 30 now electrically connected with second electrode 22 turns on,
Voltage regulator device 30 can be used for increasing the potential value in second electrode 22, it is returned in the second predetermined voltage range,
Ensure that the current potential in second electrode 22 is normal.
To sum up, in the embodiment of the present invention, by increasing the voltage regulator device electrically connected with second electrode, in second electrode
Current potential when occurring abnormal, by voltage regulator device conducting come the current potential for reducing or increasing second electrode, make second electrode
Current potential recover to normal potential range, ensure display unit normally show, display panel normal work.
Optionally, voltage regulator device 30 can be diode, triode or other can carry out the device of voltage-regulation
Part, the embodiment of the present invention, without limiting, only illustrate to this by taking diode as an example.
With continued reference to Fig. 2, voltage regulator device 30 can be commutation diode, and commutation diode can include the first anode
31st, the first negative electrode 32 and the first semiconductor layer 33；The first anode 31 electrically connects with the second electrode 22 in display unit 20；The
The 3rd predeterminated voltage is applied with one negative electrode 32.Specifically, when the current potential of second electrode 22 meets the first predeterminated voltage, first
Difference between predeterminated voltage and the 3rd predeterminated voltage is less than the threshold voltage of commutation diode, and commutation diode is not turned on；The
When the current potential of two electrodes 22 is more than the first predeterminated voltage and rises to four predeterminated voltages, the 4th predeterminated voltage and the 3rd default electricity
Difference between pressure is more than the threshold voltage of commutation diode, commutation diode conducting, for reducing the current potential of second electrode extremely
5th predeterminated voltage；Wherein, the difference between the 5th predeterminated voltage and the 3rd predeterminated voltage is less than the threshold value electricity of commutation diode
Pressure, commutation diode are not turned on.
Optionally, commutation diode can be common silicon diode or germanium diode, with silicon in the embodiment of the present invention
Illustrated exemplified by diode, the threshold voltage of silicon diode is 0.7V or so.It is pre- that current potential in second electrode 22 meets first
If during voltage, such as the first predeterminated voltage is 0V, the 3rd predeterminated voltage can be fixed voltage, such as -0.4V, and now first is pre-
If the difference between voltage and the 3rd predeterminated voltage is 0.4V.Due to second electrode 22 and the electricity of the first anode 31 of commutation diode
Connection, now, the voltage accessed on the first anode 31 of commutation diode is 0V, is accessed on the first negative electrode 32 of commutation diode
Voltage be -0.4V, the voltage difference between the negative electrode 32 of the first anode 31 and first of commutation diode is 0.4V, less than rectification
The threshold voltage of diode, commutation diode are not turned on.When the potential anomalies in second electrode 22 rise to the 4th predeterminated voltage,
Such as during 1V, now, the voltage accessed on the first anode 31 of commutation diode is 1V, on the first negative electrode 32 of commutation diode
The voltage of access is -0.4V, and the voltage difference between the negative electrode 32 of the first anode 31 and first of commutation diode is 1.4V, is more than
The threshold voltage of commutation diode, commutation diode conducting.When commutation diode turns on, commutation diode can drag down second
For the current potential of electrode 22 to the 5th predeterminated voltage, the 5th predeterminated voltage is less than the 4th predeterminated voltage, and the 5th predeterminated voltage and the 3rd
Difference between predeterminated voltage is less than the threshold voltage of commutation diode, and now commutation diode is not turned on, in second electrode 22
Voltage maintain the 5th predeterminated voltage.When the current potential in second electrode 22 rises extremely again, commutation diode turns on again
To reduce the voltage in second electrode 22.
Optionally, the 5th predeterminated voltage can be equal to the first predeterminated voltage, or due in the commutation diode course of work
Because influence, the 5th predeterminated voltage may be slightly larger than the first predeterminated voltage, example caused by temperature change or other extraneous factors
Such as when the first predeterminated voltage is 0V, the 5th predeterminated voltage may be 0.1V.But the 5th predeterminated voltage and the 3rd predeterminated voltage
Between difference be certainly less than the threshold voltage of commutation diode, commutation diode is not turned on.
To sum up, the technical scheme of the embodiment of the present invention, by setting in the first anode and display unit of commutation diode
Second electrode electrical connection, and the magnitude of voltage on the negative electrode of commutation diode first is rationally set, ensures the current potential of second electrode
When normal, commutation diode is not turned on, and when the potential anomalies of second electrode rise, commutation diode conducting is electric to drag down second
Current potential on extremely protects display unit by commutation diode, ensures that display unit can normally be shown, entirely to normal current potential
Display panel can be with normal work.
Optionally, it can set with layer with continued reference to Fig. 2, the negative electrode 32 of the first anode 31 and first, and be led positioned at the first half
Side of the body layer 33 away from underlay substrate 10；First semiconductor layer 33 can include the first semiconductor layer of N-type 331 and p-type first
Semiconductor layer 332, wherein, upright projection of the first anode 31 on underlay substrate 10 is with p-type the first semiconductor layer 332 in substrate
Overlapping region be present in the upright projection on substrate 10；Upright projection of first negative electrode 32 on underlay substrate 10 and N-type the first half
Overlapping region be present in upright projection of the conductor layer 331 on underlay substrate 10.Exemplary, set the first anode 31 to be located at first
Side of the semiconductor layer 33 away from underlay substrate 10, close to the side of second electrode 22, ensure second electrode 22 and the first anode
Film layer is less between 31, connects second electrode 22 and preparation technology during the first anode 31 is simple；The negative electrode of the first anode 31 and first
32 are set with layer, it can also be ensured that commutation diode film layer sets simple；And the synchronous system of 31 and first negative electrode of the first anode 32
Standby, preparation technology is simple.The first semiconductor layer 33 is set to include the first semiconductor layer of N-type 331 and the first semiconductor layer of p-type 332,
The first semiconductor layer of N-type 331 and the first semiconductor layer of p-type 332 can be mixed in same semi-conductor layer by different type ion
Miscellaneous to obtain, the first semiconductor layer of N-type 331 and p-type 332 preparation technologies of the first semiconductor layer are simple, while reduce commutation diode
Film layer set.
Optionally, drive circuit layer, institute can also be included with continued reference to Fig. 2, display panel provided in an embodiment of the present invention
Thin film transistor (TFT) 40 can be included by stating drive circuit layer；The first semiconductor layer 33 in commutation diode can be with thin film transistor (TFT)
Active layer 41 in 40 is set with layer；The negative electrode 32 of the first anode 31 and first in commutation diode can be with thin film transistor (TFT) 40
In grid electrode layer 42 or source-drain electrode layer 43 set with layer, Fig. 2 is with the negative electrode 32 of the first anode 31 and first and source and drain electricity
Pole layer 43 illustrates exemplified by being set with layer.It is understood that the active of the first semiconductor layer 33 and thin film transistor (TFT) is set
Layer 41 is set with layer, the negative electrode 32 of the first anode 31 and first and the grid electrode layer 42 or source-drain electrode in thin film transistor (TFT) 40
Layer 43 is set with layer, is ensured to simplify display panel preparation technology, is lifted display panel preparation efficiency.
Fig. 3 is the cross-sectional view of another display panel provided in an embodiment of the present invention, as shown in figure 3, rectification
Diode can include the first negative electrode 32 stacked gradually on underlay substrate 10, the first semiconductor layer 33 and the first anode
31, the first semiconductor layer 33 can include the first semiconductor layer of N-type 331 and the first semiconductor layer of p-type 332, wherein, the first anode
Upright projection of 31 upright projection on underlay substrate with the first semiconductor layer of p-type 332 on underlay substrate 10 exists overlapping
Region；Upright projection of first negative electrode 32 on underlay substrate 10 hanging down on underlay substrate 10 with the first semiconductor layer of N-type 331
Deliver directly shadow and overlapping region be present.Optionally, the first anode 31 is set to stack gradually in the first negative electrode 32 and the first semiconductor layer 33
On, close to the side of second electrode 22, ensure that film layer is less between second electrode 22 and the first anode 31, connects second electrode
22 is simple with preparation technology during the first anode 31.Optionally, display panel can also include drive circuit layer, the drive circuit
Layer can include thin film transistor (TFT) 40, and the first semiconductor layer 33 can be set with the active layer 41 of thin film transistor (TFT) 40 with layer, the
One anode 31 can be set with the source-drain electrode layer 43 of thin film transistor (TFT) 40 with layer, and the first negative electrode 32 can be with thin film transistor (TFT) 40
Gate electrode 42 set with layer, can so simplify display panel preparation technology, lift display panel preparation efficiency.
With continued reference to shown in Fig. 1, Fig. 2 and Fig. 3, display panel can include viewing area 11 and around viewing area 11
Non-display area 12, commutation diode can be located in non-display area 12, and second electrode 22 can extend to non-display area
12 electrically connect with the first anode 31 of commutation diode.Optionally, commutation diode is set to be located at the non-display area of display panel
Domain 12, ensure the open area for setting commutation diode not influence display panel, do not influence display panel and shown.It can manage
Solution, shown due to other film layers between the first anode 31 and second electrode 22 of commutation diode be present, therefore preparing
During panel, only need in other film layers between the first anode 31 of commutation diode and second electrode 22 with commutation diode
Opening is left in region corresponding to the first anode 31, and when preparing second electrode 22, second electrode 222 is natural to fill the opening,
Electrically connected by the opening with the first anode 31 of commutation diode.
Fig. 4 is the cross-sectional view of another display panel provided in an embodiment of the present invention, as shown in figure 4, voltage
Adjusting means 30 can be voltage-regulator diode, and voltage-regulator diode can be operated in one-way conduction state, can also be operated in reversely
Breakdown conditions.Optionally, voltage-regulator diode can include second plate 34, the second negative electrode 35 and the second semiconductor layer 36；The
Two anodes 34 electrically connect with the second electrode 22 in display unit 20；The 6th predeterminated voltage is applied with second negative electrode 35.Specifically
, when the current potential of second electrode 22 meets the first predeterminated voltage, the difference between the first predeterminated voltage and the 6th predeterminated voltage
Less than the threshold voltage of voltage-regulator diode, voltage-regulator diode is not turned on；The current potential of second electrode 22 is more than the first predeterminated voltage simultaneously
When rising to seven predeterminated voltages, the difference between the 7th predeterminated voltage and the 6th predeterminated voltage is more than the threshold value of voltage-regulator diode
Voltage, voltage-regulator diode conducting, for reducing the current potential of second electrode to the 8th predeterminated voltage；Wherein, the 8th predeterminated voltage with
Difference between 6th predeterminated voltage is less than the threshold voltage of voltage-regulator diode, and voltage-regulator diode is not turned on；
Or the current potential of second electrode 22 is when meeting the second predeterminated voltage, the 6th predeterminated voltage and the second predeterminated voltage it
Between difference be less than the breakdown reverse voltage of voltage-regulator diode, voltage-regulator diode do not puncture；
The current potential of second electrode 22 is less than the second predeterminated voltage and when dropping to nine predeterminated voltages, the 6th predeterminated voltage with
Difference between 9th predeterminated voltage is more than the breakdown reverse voltage of voltage-regulator diode, voltage-regulator diode reverse breakdown, voltage stabilizing two
Increase the current potential of second electrode 22 after pole pipe Reverse recovery to the tenth predeterminated voltage；Wherein, the 6th predeterminated voltage and the tenth is preset
Difference between voltage is less than the breakdown reverse voltage of voltage-regulator diode, and voltage stabilizing pole pipe does not puncture.
Optionally, when being operated in one-way conduction state and when preparing material selection silicon of voltage-regulator diode, voltage-regulator diode
Threshold voltage for 0.7V or so.When current potential in second electrode 22 meets the first predeterminated voltage, such as the first predeterminated voltage is
0V, the 6th predeterminated voltage can be fixed voltage, such as -0.4V, now between the first predeterminated voltage and the 6th predeterminated voltage
Difference is 0.4V.Because second electrode 22 electrically connects with the second plate 33 of voltage-regulator diode, now, the second of voltage-regulator diode
The voltage accessed on anode 34 is 0V, and the voltage accessed on the second negative electrode 35 of voltage-regulator diode is -0.4V, voltage-regulator diode
Voltage difference between the negative electrode 35 of second plate 34 and second is 0.4V, less than the threshold voltage of voltage-regulator diode, the pole of voltage stabilizing two
Pipe is not turned on.When the potential anomalies in second electrode 22 rise to the 7th predeterminated voltage, such as during 1V, now, voltage-regulator diode
Second plate 34 on the voltage that accesses be 1V, the voltage accessed on the second negative electrode 35 of voltage-regulator diode is -0.4V, voltage stabilizing two
Voltage difference between the negative electrode 35 of second plate 34 and second of pole pipe is 1.4V, more than the threshold voltage of voltage-regulator diode, surely
Press diode current flow.When voltage-regulator diode turns on, voltage-regulator diode can drag down the current potential of second electrode 22 to the 8th default
Voltage, the 8th predeterminated voltage is less than the 7th predeterminated voltage, and the difference between the 8th predeterminated voltage and the 6th predeterminated voltage is less than
The threshold voltage of voltage-regulator diode, now voltage-regulator diode be not turned on, voltage in second electrode 22 maintains the 8th predeterminated voltage.
When the current potential in second electrode 22 rises extremely again, voltage-regulator diode turns on to reduce the electricity in second electrode 22 again
Pressure.
Optionally, the 8th predeterminated voltage can be equal to the first predeterminated voltage, or due in the voltage-regulator diode course of work
Because influence, the 8th predeterminated voltage may be slightly larger than the first predeterminated voltage, example caused by temperature change or other extraneous factors
Such as when the first predeterminated voltage is 0V, the 8th predeterminated voltage may be 0.1V.But the 8th predeterminated voltage and the 6th predeterminated voltage
Between threshold voltage of difference when being certainly less than voltage-regulator diode one-way conduction, voltage-regulator diode is not turned on.
Optionally, when voltage-regulator diode is operated in reverse breakdown state, for the voltage-regulator diode of signal specific,
Assuming that its reverse breakdown electrode is 7V.When current potential in second electrode 22 meets the second predeterminated voltage, such as the second predeterminated voltage
For -6V, the 6th predeterminated voltage can be fixed voltage, such as -0.4V, now between the 6th predeterminated voltage and the second predeterminated voltage
Difference be 5.6V.Because second electrode 22 electrically connects with the second plate 33 of voltage-regulator diode, now, the of voltage-regulator diode
The voltage accessed on two anodes 34 is -6V, and the voltage accessed on the second negative electrode 35 of voltage-regulator diode is -0.4V, the pole of voltage stabilizing two
Voltage difference between the second negative electrode 35 and second plate 34 of pipe is 5.6V, less than the breakdown reverse voltage of voltage-regulator diode,
Voltage-regulator diode will not reverse breakdown.When the potential anomalies in second electrode 22 drop to the 9th predeterminated voltage, such as during -10V,
Now, the voltage accessed on the second plate 34 of voltage-regulator diode is -10V, is accessed on the second negative electrode 35 of voltage-regulator diode
Voltage is -0.4V, and the voltage difference between the second negative electrode 35 and second plate 34 of voltage-regulator diode is 9.6V, more than voltage stabilizing two
The breakdown reverse voltage of pole pipe, voltage-regulator diode are reversed breakdown.When voltage-regulator diode is reversed breakdown, voltage-regulator diode is anti-
Current potential to the tenth predeterminated voltage, the tenth predeterminated voltage that second electrode 22 can surely be increased after to recovery is more than the 9th predeterminated voltage,
And the 6th difference between predeterminated voltage and the tenth predeterminated voltage is less than the breakdown reverse voltage of voltage-regulator diode, now voltage stabilizing two
Pole pipe not reverse breakdown, the voltage in second electrode 22 maintain the tenth predeterminated voltage.When the current potential in second electrode 22 is different again
When often declining, reverse breakdown-Reverse recovery increases the voltage in second electrode 22 to voltage-regulator diode again.
Optionally, the tenth predeterminated voltage can be equal to the second predeterminated voltage, or due in the voltage-regulator diode course of work
Because influence, the tenth predeterminated voltage may be slightly less than the second predeterminated voltage, example caused by temperature change or other extraneous factors
Such as when the second predeterminated voltage is -6V, the tenth predeterminated voltage may be -6.1V.But the 6th predeterminated voltage and the tenth default electricity
Difference between pressure is certainly less than the threshold voltage of voltage-regulator diode reverse breakdown, and voltage-regulator diode will not reverse breakdown.
To sum up, the technical scheme of the embodiment of the present invention, by setting in the second plate and display unit of voltage-regulator diode
Second electrode electrical connection, and the magnitude of voltage on the negative electrode of voltage-regulator diode second is rationally set, ensures the current potential of second electrode
When normal, voltage-regulator diode is unidirectionally not turned on, and when the potential anomalies of second electrode rise, voltage-regulator diode conducting drags down the
Current potential on two electrodes is to normal current potential；Or ensure second electrode on current potential it is normal when, voltage-regulator diode is not hit reversely
Wear, when the potential anomalies of second electrode decline, voltage-regulator diode Reverse recovery raised current potential in second electrode to just later
Normal current potential.By voltage-regulator diode protection display unit, ensure that display unit can normally show that whole display panel can be just
Often work.
Optionally, it can set with layer with continued reference to Fig. 4, the negative electrode 35 of second plate 34 and second, and be led positioned at the second half
Side of the body layer 36 away from underlay substrate 10；Second semiconductor layer 36 can include the second semiconductor layer of N-type 361 and p-type second
Semiconductor layer 362, wherein, upright projection of the second plate 34 on underlay substrate 10 is with p-type the second semiconductor layer 362 in substrate
Overlapping region be present in the upright projection on substrate 10；Upright projection of second negative electrode 35 on underlay substrate 10 and N-type the first half
Overlapping region be present in upright projection of the conductor layer 361 on underlay substrate 10.Exemplary, set second plate 34 to be located at second
Side of the semiconductor layer 36 away from underlay substrate 10, close to the side of second electrode 22, ensure second electrode 22 and second plate
Film layer is less between 34, connects second electrode 22 and preparation technology during second plate 34 is simple；The negative electrode of second plate 34 and second
35 are set with layer, it can also be ensured that voltage-regulator diode film layer sets simple；And the synchronous system of 34 and second negative electrode of second plate 35
Standby, preparation technology is simple.The second semiconductor layer 36 is set to include the second semiconductor layer of N-type 361 and the second semiconductor layer of p-type 362,
The second semiconductor layer of N-type 361 and the second semiconductor layer of p-type 362 can be mixed in same semi-conductor layer by different type ion
Miscellaneous to obtain, the second semiconductor layer of N-type 361 and p-type 362 preparation technologies of the second semiconductor layer are simple, while reduce voltage-regulator diode
Film layer set.
Optionally, drive circuit layer, institute can also be included with continued reference to Fig. 4, display panel provided in an embodiment of the present invention
Thin film transistor (TFT) 40 can be included by stating drive circuit layer；The second semiconductor layer 36 in voltage-regulator diode can be with thin film transistor (TFT)
Active layer 41 in 40 is set with layer；The negative electrode 35 of second plate 34 and second in voltage-regulator diode can be with thin film transistor (TFT) 40
In grid electrode layer 42 or source-drain electrode layer 43 set with layer, Fig. 4 is with the negative electrode 35 of second plate 34 and second and source and drain electricity
Pole layer 43 illustrates exemplified by being set with layer.It is understood that the active of the second semiconductor layer 36 and thin film transistor (TFT) is set
Layer 41 is set with layer, the negative electrode 35 of second plate 34 and second and the grid electrode layer 42 or source-drain electrode in thin film transistor (TFT) 40
Layer 43 is set with layer, is ensured to simplify display panel preparation technology, is lifted display panel preparation efficiency.
Fig. 5 is the cross-sectional view of another display panel provided in an embodiment of the present invention, as shown in figure 5, voltage stabilizing
Diode can include the second negative electrode 35 stacked gradually on underlay substrate 10, the second semiconductor layer 36 and second plate
34, the second semiconductor layer 36 can include the second semiconductor layer of N-type 361 and the second semiconductor layer of p-type 362, wherein, second plate
Upright projection of 34 upright projection on underlay substrate 10 with the second semiconductor layer of p-type 362 on underlay substrate 10, which exists, to be handed over
Folded region；Upright projection of second negative electrode 35 on underlay substrate 10 is with the second semiconductor layer of N-type 361 on underlay substrate 10
Overlapping region be present in upright projection.Optionally, second plate 34 is set to stack gradually in the second negative electrode 35 and the second semiconductor layer
On 36, close to the side of second electrode 22, ensure that film layer is less between second electrode 22 and second plate 34, the electricity of connection second
Pole 22 and preparation technology during second plate 34 are simple.Optionally, display panel can also include drive circuit layer, the driving electricity
Road floor can include thin film transistor (TFT) 40, and the second semiconductor layer 36 can be set with the active layer 41 of thin film transistor (TFT) 40 with layer,
Second plate 34 can be set with the source-drain electrode layer 43 of thin film transistor (TFT) 40 with layer, and the second negative electrode 35 can be with thin film transistor (TFT)
40 gate electrode 42 is set with layer, can so simplify display panel preparation technology, lifts display panel preparation efficiency.
Optionally, the second semiconductor layer 36 in voltage-regulator diode can be silicon semiconductor layer.
Optionally, with continued reference to shown in Fig. 1, Fig. 4 and Fig. 5, display panel can include viewing area 11 and around display
The non-display area 12 in region 11, voltage-regulator diode can be located in non-display area 12, and second electrode 22 can extend to non-
Viewing area 12 electrically connects with the second plate 34 of voltage-regulator diode.Optionally, voltage-regulator diode is set to be located at display panel
Non-display area 12, ensure the open area for setting voltage-regulator diode not influence display panel, do not influence display panel and shown
Show.It is understood that due to other film layers between the second plate 34 and second electrode 22 of voltage-regulator diode be present, therefore
When preparing display panel, only need in other film layers between the second plate 34 of voltage-regulator diode and second electrode 22 with voltage stabilizing
Opening is left in region corresponding to the second plate 34 of diode, and when preparing second electrode 22, second electrode 222 is natural to fill
The opening, electrically connected by the opening with the second plate 34 of voltage-regulator diode.
Optionally, display panel provided in an embodiment of the present invention can be organic electroluminescence display panel, or liquid crystal
Display panel.When the display panel is organic electroluminescence display panel, first electrode 21 can be organic electroluminescence display panel
In anode electrode, second electrode 22 can be organic electroluminescence display panel in cathode electrode；When the display panel is liquid
During LCD panel, first electrode 21 can be the pixel electrode in liquid crystal display panel, and second electrode 22 can be liquid crystal
Show the public electrode in panel.The embodiment of the present invention is to the type of display panel without limiting.
Fig. 6 is a kind of structural representation of display device provided in an embodiment of the present invention, and with reference to figure 6, display device 100 can
With including the display panel 101 described in any embodiment of the present invention.Display device 100 can be the mobile phone shown in Fig. 6, can also
For computer, television set, intelligence wearing display device etc., the embodiment of the present invention is not particularly limited to this.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust, be combined with each other and substitute without departing from protection scope of the present invention.Therefore, although by above example to this
Invention is described in further detail, but the present invention is not limited only to above example, is not departing from present inventive concept
In the case of, other more equivalent embodiments can also be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (15)
- A kind of 1. display panel, it is characterised in that including：Underlay substrate；Display unit positioned at the underlay substrate side, the display unit include first electrode and second electrode；Voltage regulator device positioned at the display unit side, the voltage regulator device electrically connect with the second electrode, When the current potential of the second electrode meets the first predeterminated voltage, the voltage regulator device is not turned on；The electricity of the second electrode When position is more than first predeterminated voltage, the voltage regulator device conducting, for reducing the current potential of the second electrode；Or the current potential of the second electrode, when meeting the second predeterminated voltage, the voltage regulator device is not turned on；Described second When the current potential of electrode is less than second predeterminated voltage, the voltage regulator device conducting, for increasing the second electrode Current potential.
- 2. display panel according to claim 1, it is characterised in that the voltage regulator device is commutation diode, institute Stating commutation diode includes the first anode, the first negative electrode and the first semiconductor layer；The first anode and the second electrode Electrical connection；The 3rd predeterminated voltage is applied with first negative electrode；When the current potential of the second electrode meets the first predeterminated voltage, first predeterminated voltage and the 3rd predeterminated voltage it Between difference be less than the threshold voltage of the commutation diode, the commutation diode is not turned on；When the current potential of the second electrode is more than first predeterminated voltage and rises to four predeterminated voltages, the described 4th is default Difference between voltage and the 3rd predeterminated voltage is more than the threshold voltage of the commutation diode, and the commutation diode is led It is logical, for reducing the current potential of the second electrode to the 5th predeterminated voltage；Wherein, the 5th predeterminated voltage and the described 3rd pre- If the difference between voltage is less than the threshold voltage of the commutation diode, the commutation diode is not turned on.
- 3. display panel according to claim 1, it is characterised in that the voltage regulator device is voltage-regulator diode, institute Stating voltage-regulator diode includes second plate, the second negative electrode and the second semiconductor layer；The second plate and the second electrode Electrical connection；The 6th predeterminated voltage is applied with second negative electrode；When the current potential of the second electrode meets the first predeterminated voltage, first predeterminated voltage and the 6th predeterminated voltage it Between difference be less than the threshold voltage of the voltage-regulator diode, the voltage-regulator diode is not turned on；When the current potential of the second electrode is more than first predeterminated voltage to seven predeterminated voltages, the 7th predeterminated voltage with Difference between 6th predeterminated voltage is more than the threshold voltage of the voltage-regulator diode, the voltage-regulator diode conducting, uses In reducing the current potential of the second electrode to the 8th predeterminated voltage；Wherein, the 8th predeterminated voltage and the described 6th default electricity Difference between pressure is less than the threshold voltage of the voltage-regulator diode, and the voltage-regulator diode is not turned on；Or the current potential of the second electrode, when meeting the second predeterminated voltage, the 6th predeterminated voltage is default with described second Difference between voltage is less than the breakdown reverse voltage of the voltage-regulator diode, and the voltage-regulator diode does not puncture；When the current potential of the second electrode is less than second predeterminated voltage and drops to nine predeterminated voltages, the described 6th is default Difference between voltage and the 9th predeterminated voltage is more than the breakdown reverse voltage of the voltage-regulator diode, the pole of voltage stabilizing two Pipe reverse breakdown, increase the current potential of the second electrode after the voltage-regulator diode Reverse recovery to the tenth predeterminated voltage；Wherein, Difference between 6th predeterminated voltage and the tenth predeterminated voltage is less than the breakdown reverse voltage of the voltage-regulator diode, The voltage stabilizing pole pipe does not puncture.
- 4. display panel according to claim 2, it is characterised in that the first anode is set with first negative electrode with layer Put, and be located at the side of first semiconductor layer away from the underlay substrate；First semiconductor layer includes N-type the first half Conductor layer and the semiconductor layer of p-type first；Upright projection of the first anode on the underlay substrate is with the semiconductor layer of p-type first in the underlay substrate Overlapping region be present in upper upright projection；First negative electrode and the upright projection on the underlay substrate and the N-type first Overlapping region be present in upright projection of the semiconductor layer on the underlay substrate.
- 5. display panel according to claim 4, it is characterised in that the display panel also includes drive circuit layer, institute Stating drive circuit layer includes thin film transistor (TFT)；The active layer of first semiconductor layer and the thin film transistor (TFT) is set with layer；The grid electrode layer or the same layer of source-drain electrode layer of the first anode and first negative electrode and the thin film transistor (TFT) Set.
- 6. display panel according to claim 2, it is characterised in that the commutation diode includes first stacked gradually Negative electrode, the first semiconductor layer and the first anode.
- 7. display panel according to claim 6, it is characterised in that the display panel also includes drive circuit layer, institute Stating drive circuit layer includes thin film transistor (TFT)；The active layer of first semiconductor layer and the thin film transistor (TFT) is set with layer；The source-drain electrode layer of the first anode and the thin film transistor (TFT) is set with layer；First negative electrode is set with the thin-film transistor gate electrode layer with layer.
- 8. display panel according to claim 2, it is characterised in that the display panel includes viewing area and around institute State the non-display area of viewing area；The commutation diode is located at the non-display area；The second electrode extends to the non-display area and electrically connected with the first anode of the commutation diode.
- 9. display panel according to claim 3, it is characterised in that the second plate is set with second negative electrode with layer Put, and be located at the side of second semiconductor layer away from the underlay substrate；Second semiconductor layer includes N-type the second half Conductor layer and the semiconductor layer of p-type second；Upright projection of the second plate on the underlay substrate is with the semiconductor layer of p-type second in the underlay substrate Overlapping region be present in upper upright projection；Second negative electrode and the upright projection on the underlay substrate and the N-type second Overlapping region be present in upright projection of the semiconductor layer on the underlay substrate.
- 10. display panel according to claim 9, it is characterised in that display panel also includes drive circuit layer, the drive Dynamic circuit layer includes thin film transistor (TFT)；The active layer of second semiconductor layer and the thin film transistor (TFT) is set with layer；The grid electrode layer or the same layer of source-drain electrode layer of the second plate and second negative electrode and the thin film transistor (TFT) Set.
- 11. display panel according to claim 3, it is characterised in that second semiconductor layer is silicon semiconductor layer.
- 12. display panel according to claim 3, it is characterised in that the display panel includes viewing area and surrounded The non-display area of the viewing area；The voltage-regulator diode is located at the non-display area；The second electrode extends to the non-display area and electrically connected with the second plate of the voltage-regulator diode.
- 13. display panel according to claim 1, it is characterised in that the display panel is organic electroluminescence display panel, The display unit is organic luminescence display unit, and the first electrode is the anode electrode of the organic luminescence display unit, The second electrode is the cathode electrode of the organic luminescence display unit.
- 14. display panel according to claim 1, it is characterised in that the display panel is liquid crystal display panel, described Display unit is liquid crystal display, the first electrode be the liquid crystal display pixel electrode, the second electrode For the public electrode of the liquid crystal display.
- 15. a kind of display device, it is characterised in that including the display panel any one of claim 1-14.
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| CN101114094A (en) * | 2006-07-28 | 2008-01-30 | 三星电子株式会社 | Liquid crystal displays |
| CN105301814A (en) * | 2015-11-26 | 2016-02-03 | 深圳市华星光电技术有限公司 | Power supply circuit with detection function and display panel |
| CN105867033A (en) * | 2016-06-13 | 2016-08-17 | 厦门天马微电子有限公司 | Array substrate and liquid crystal display panel |
| CN107037656A (en) * | 2017-05-27 | 2017-08-11 | 厦门天马微电子有限公司 | A kind of array base palte and its application method, display panel, display device |
| CN107290912A (en) * | 2017-07-24 | 2017-10-24 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and its driving method |
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2017
- 2017-11-01 CN CN201711057774.8A patent/CN107871473B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101114094A (en) * | 2006-07-28 | 2008-01-30 | 三星电子株式会社 | Liquid crystal displays |
| CN105301814A (en) * | 2015-11-26 | 2016-02-03 | 深圳市华星光电技术有限公司 | Power supply circuit with detection function and display panel |
| CN105867033A (en) * | 2016-06-13 | 2016-08-17 | 厦门天马微电子有限公司 | Array substrate and liquid crystal display panel |
| CN107037656A (en) * | 2017-05-27 | 2017-08-11 | 厦门天马微电子有限公司 | A kind of array base palte and its application method, display panel, display device |
| CN107290912A (en) * | 2017-07-24 | 2017-10-24 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and its driving method |
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